Impressively, all of Apple’s stores, data centers, and corporate offices now are powered solely by clean energy.

Apple has made good on its promise to go green.

On Monday, the tech giant announced that all of its retail stores, data centers and corporate offices now run on 100% clean energy.

The milestone includes facilitiesin 43 countries, such as the US, UK, China and India. Overall, Apple uses a variety of clean energy sources, such as solar technology, wind farms and new concepts like biogas fuel cells and micro-hydro generation systems for generating electricity.